<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图-->
    <el-card>
      <!-- 搜索与添加 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query"
           clearable @clear="getUserList">
          <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
          </el-col>
      </el-row>
      <!-- 用户列表 -->
       <el-table :data="userlist" border stripe>
         <el-table-column type="index"></el-table-column>
         <el-table-column label="姓名" prop="username"></el-table-column>
         <el-table-column label="邮箱" prop="email"></el-table-column>
         <el-table-column label="电话" prop="mobile"></el-table-column>
         <el-table-column label="角色" prop="role_name">
         </el-table-column>
         <el-table-column label="状态">
           <template slot-scope="scope">
              <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
              </el-switch>
           </template>
         </el-table-column>
         <el-table-column label="操作" width="182px">
           <template slot-scope="scope">
             <!-- 修改 -->
              <el-tooltip class="item" effect="dark" content="修改" placement="top" :enterable="false">
                <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                 </el-tooltip>
             <!-- 删除-->
              <el-tooltip class="item" effect="dark" content="删除用户" placement="top" :enterable="false">
                <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserByid(scope.row.id)"></el-button>
                 </el-tooltip>
             <!-- 分配角色-->
              <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
                <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
              </el-tooltip>
           </template>
         </el-table-column>
       </el-table>
      <!-- 分页 -->
       <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[1, 2, 5, 10]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
        </el-pagination>
     </el-card>
     <!-- 添加用户-->
     <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
        <!-- 内容主题 -->
         <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70pxaddDialogClosed">
           <el-form-item label="用户名" prop="username">
             <el-input v-model="addForm.username"></el-input>
           </el-form-item>
           <el-form-item label="密码" prop="password" v-model="addForm.password">
             <el-input v-model="addForm.password"></el-input>
           </el-form-item>
           <el-form-item label="邮箱" prop="email">
             <el-input v-model="addForm.email"></el-input>
           </el-form-item>
           <el-form-item label="手机" prop="mobile">
             <el-input v-model="addForm.mobile"></el-input>
           </el-form-item>
         </el-form>
        <!-- 底部 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUSer">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 修改用户 -->
      <el-dialog
        title="修改用户"
        :visible.sync="editDiaglogVisible"
        width="50%" @close="editDialogClosed">
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机号" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDiaglogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>
	  <!-- 分配角色 -->
	  <el-dialog
	    title="分配角色"
	    :visible.sync="setRoleDialogVisible"
	    width="50%"
		@close="setOleDialogClosed">
		<div>
			<p>当前的用户：{{userinfo.username}}</p>
			<p>当前的角色：{{userinfo.role_name}}</p>
			<p>分配新角色：
				 <el-select v-model="selectRolesId" placeholder="请选择">
				    <el-option
				      v-for="item in rolesList"
				      :key="item.id"
				      :label="item.roleName"
				      :value="item.id">
				    </el-option>
				  </el-select>
			</p>
		</div>
	    <span slot="footer" class="dialog-footer">
	      <el-button @click="setRoleDialogVisible = false">取 消</el-button>
	      <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
	    </span>
	  </el-dialog>
  </div>
</template>

<script>
  export default {
    data() {
      var checkEmail = (rule,value,cb) =>{
     const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
          if(regEmail.test(value)){
         return cb()
        }
        cb(new Error('请输入合法的邮箱'))
      }
     var checkMobile = (rule,value,cb) =>{
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
          if(regMobile.test(value)){
           return cb()
        }
        cb(new Error('请输入合法的手机号'))
      }

      return{
        // 获取用户列表
        queryInfo:{
          query:'',
          pagenum:1,
          pagesize:5
        },
        userlist:[],
        total:0,
       addDialogVisible:false,
        // 添加用户
        addForm:{
          username:'',
          password:'',
          email:'',
          mobile:''
        },
        //添加表单
        addFormRules:{
          username:[
            { required: true, message: '输入用户名', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          password:[
            { required: true, message: '输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ],
          email:[
            { required: true, message: '输入邮箱', trigger: 'blur' },
            { validator: checkEmail, trigger: 'blur' }
          ],
          mobile:[
            { required: true, message: '输入手机号', trigger: 'blur' },
            { validator: checkMobile, trigger: 'blur' }
          ]
        },
        // 控制修改用户
        editDiaglogVisible:false,
        // 查询到用户信息
        editForm:{},
        editFormRules:{
          email:[
            { required: true, message: '请输入用户邮箱', trigger: 'blur'},
            { validator:checkEmail,trigger:'blur'}
          ],
          mobile:[
            { required: true, message: '请输入用户手机号', trigger: 'blur'},
            { validator:checkMobile,trigger:'blur'}
          ]
        },
			setRoleDialogVisible:false,
	 	userinfo:{},
		rolesList:[],
		selectRolesId:''
      }
    },
    created() {
      this.getUserList()
    },
    methods: {
      async getUserList(){
      const{data:res} =await this.$http.get('users',{
        params:this.queryInfo
           })
           if(res.meta.status !== 200){
             return this.$message.error('获取用户列表失败！')
           }
           this.userlist=res.data.users
           this.total=res.data.total
           console.log(res)
      },
       handleSizeChange(newSize){
        this.queryInfo.pagesize=newSize
        this.getUserList()
      },
     handleCurrentChange(newPage){
       this.queryInfo.pagenum=newPage
        this.getUserList()
      },
      // 监听switch状态
      async userStateChanged(userinfo){
        console.log(userinfo)
        await this.$http.put(`users/${userinfo.id}/state/state/${userinfo.mg_state}`)
        if(res.meta.status !== 200){
          userinfo.mg_state=!user.mg_state
          return this.$message.error('更新用户状态！')
        }
        this.$message.success('更新用户状态成功')
      },
      // 监听添加用户对话框的关闭
      addDialogClosed() {
        this.$refs.addFormRef.resetFields()
      },
      // 点击按钮添加新用户
      addUSer(){
        this.$refs.addFormRef.validate(async valid => {
          if(!valid) return
          // 可以发起添加请求
          const {data:res} = await this.$http.post('users',this.addForm)

          if(res.meta.status !== 201){
            this.$message.error('添加用户失败！')
          }

          this.$message.success('添加用户成功！')
          // 隐藏添加用户
          this.addDialogVisible = false
          // 重新获取用户列表数据
          this.getUserList()
        })
      },
      
      // 展示用户编辑
      async showEditDialog(id){
       const {data: res} = await this.$http.get('users/' + id)
       console.log(res)
       if(res.meta.status !== 200){
         return this.$message.error('查询用户信息失败！')
       }
        this.editForm = res.data
        this.editDiaglogVisible = true
      },
      // 监听修改用户
      editDialogClosed(){
        this.$refs.editFormRef.resetFields()
      },
      // 修改用户信息并提交
      editUserInfo(){
        this.$refs.editFormRef.validate(async valid => {
          if(!valid) return
          // 发起修改用户信息的数据请求
          const {data:res} = await this.$http.put('users/' + this.editForm.id,{
            email:this.editForm.email,mobile:this.editForm.mobile
          })
          if(res.meta.status !== 200) {
            return this.$message.error('更新用户信息失败')
          }
          // 关闭对话框
          this.editDiaglogVisible=false
          // 刷新数据列表
          this.getUserList()
          // 提示修改成功
          this.$message.success('更新用户信息成功！')
        })
      },
       async removeUserByid(id){
        const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
      if(confirmResult !== 'confirm'){
          return this.$message.info('已取消删除')
        }
        const {data:res} = await this.$http.delete('users/' + id)
        if(res.meta.status !== 200){
          return this.$message.error('删除用户失败！')
        }
        this.$message.success('删除用户成功！')
        this.getUserList()
      },
	  // 展示分配角色
	  async setRole(userinfo){
		  this.userinfo=userinfo
		   const {data:res} = await this.$http.get('roles')
		  if(res.meta.status!==200){
			  return $message.error('获取角色列表失败！')
		  }
		  this.rolesList=res.data
		  this.setRoleDialogVisible=true
	  },
	  // 点击按钮，分配角色
	  async saveRoleInfo(){
		  if(!this.selectRolesId){
			  return this.$message.error('请选择要分配的角色！')
		  }
		  const {data:res} = await this.$http.put(`users/${this.userinfo.id}/role`,{rid:this.selectRolesId})
		  if(res.meta.status!==200){
			  return this.$message.error('更新角色失败！')
		  }
		  this.$message.success('更新角色成功！')
		  this.getUserList()
		  this.setRoleDialogVisible=false
	  },
	   setOleDialogClosed(){
		  this.selectRolesId=''
		  this.userinfo={}
	  }
    }
  }
</script>

<style scoped>
.el-card{
	margin-top: 10px;
}
.el-pagination{
	margin-top: 10px;
}
.el-table{
	margin-top: 15px;
}
</style>
